43242093 has 28 divisors (see below), whose sum is σ = 67678560. Its totient is φ = 27563976.

The previous prime is 43242079. The next prime is 43242109. The reversal of 43242093 is 39024234.

It is a happy number.

It is not a de Polignac number, because 43242093 - 2⁴ = 43242077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43242013) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 15478 + ... + 18056.

Almost surely, 2^43242093 is an apocalyptic number.

It is an amenable number.

43242093 is a deficient number, since it is larger than the sum of its proper divisors (24436467).

43242093 is an equidigital number, since it uses as much as digits as its factorization.

43242093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2605 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 43242093 is about 6575.8720334264. The cubic root of 43242093 is about 350.9960551825.

The spelling of 43242093 in words is "forty-three million, two hundred forty-two thousand, ninety-three".